Robtex

Up: 84.237.112.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 84.237.116.0/23
Down right: 84.237.118.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.237.116.1	A+PTR	hop.catalysis.ru
84.237.116.1	PTR	hop.catalysis.nsk.su
84.237.116.2	A+PTR	ash.catalysis.ru
84.237.116.2	A+PTR	ash.catalysis.nsk.su
84.237.116.3	A+PTR	elm.catalysis.ru
84.237.116.4	A+PTR	elib.catalysis.ru
84.237.116.4	A	elib.catalysis.nsk.su
84.237.116.5	PTR	til.catalysis.ru
84.237.116.5	PTR	til.catalysis.nsk.su
84.237.116.5	PTR	til116.catalysis.ru
84.237.116.19	A+PTR	atc.catalysis.ru
84.237.116.19	A+PTR	atc.catalysis.nsk.su
84.237.116.21	A	yew.catalysis.ru
84.237.116.22	A	ns1.sabitov.pp.ru
84.237.116.27	A	kite.catalysis.ru
84.237.116.29	A	cos.catalysis.ru
84.237.116.33	PTR	mail.catalysis.ru
84.237.116.33	A+PTR	newelm.catalysis.ru
84.237.116.33	A	mail.catalysis.nsk.su
84.237.116.53	A+PTR	mate.catalysis.ru
84.237.116.53	PTR	ns.catalysis.ru
84.237.116.53	A+PTR	mate.catalysis.nsk.su
84.237.116.79	A+PTR	duck.catalysis.ru
84.237.116.79	A+PTR	duck.catalysis.nsk.su
84.237.116.79	A	ns2.sabitov.pp.ru
84.237.116.80	A	ncs.catalysis.ru
84.237.116.80	A	catalysis.ru
84.237.116.80	A	zam.catalysis.ru
84.237.116.109	A+PTR	monitor.catalysis.ru
84.237.116.109	PTR	monitor.catalysis.nsk.su
84.237.116.110	A	mute.catalysis.ru
84.237.116.111	A+PTR	ivy.catalysis.ru
84.237.116.112	A+PTR	fir.catalysis.ru
84.237.116.112	A+PTR	fir.catalysis.nsk.su
84.237.116.114	A	klv.catalysis.ru
84.237.116.120	A	quant6.catalysis.ru
84.237.116.121	A	quant7.catalysis.ru
84.237.116.122	A	quant9.catalysis.ru
84.237.117.2	A+PTR	ns.nusc.ru
84.237.117.3	A+PTR	ml.nusc.ru
84.237.117.4	A+PTR	www.nusc.ru
84.237.117.4	A	nusc.ru
84.237.117.5	A	bsd.nusc.ru
84.237.117.10	A+PTR	clu.nusc.ru
84.237.117.13	A+PTR	srpo.nusc.ru
84.237.118.0	PTR	subnet.0-127.spsl.nsc.ru
84.237.118.1	A+PTR	camelot.spsl.nsc.ru
84.237.118.1	A	spsl.nsc.ru
84.237.118.3	A+PTR	info.spsl.nsc.ru
84.237.118.3	A	www.spsl.nsc.ru
84.237.118.17	A	notebook1.spsl.nsc.ru
84.237.118.20	A	bazhenov.spsl.nsc.ru
84.237.118.26	A	natali.spsl.nsc.ru
84.237.118.27	A	dasha.spsl.nsc.ru
84.237.118.29	A	olga.spsl.nsc.ru
84.237.118.32	A	star.spsl.nsc.ru
84.237.118.33	A	shr.spsl.nsc.ru
84.237.118.41	A	inet5.spsl.nsc.ru
84.237.118.53	A	public.spsl.nsc.ru
84.237.118.69	A	znp1.spsl.nsc.ru
84.237.118.70	A	znp2.spsl.nsc.ru
84.237.118.81	A	307onb3.spsl.nsc.ru
84.237.118.82	A	307onb4.spsl.nsc.ru
84.237.118.83	A	lavrik.spsl.nsc.ru
84.237.118.88	A	zavmba.spsl.nsc.ru
84.237.118.91	A	mba3.spsl.nsc.ru
84.237.118.92	A	mba4.spsl.nsc.ru
84.237.118.94	A	sbo1.spsl.nsc.ru
84.237.118.110	A	507onimr2.spsl.nsc.ru
84.237.118.128	PTR	subnet.128-191.bionet.nsc.ru
84.237.118.129	A	cyclop-49.bionet.nsc.ru
84.237.118.129	A	ns.bionet.nsc.ru
84.237.118.141	A	hermes.bionet.nsc.ru
84.237.118.166	PTR	zealot.bionet.nsc.ru
84.237.118.166	A	www.bionet.nsc.ru
84.237.118.166	A	icg.nsc.ru
84.237.118.192	PTR	subnet.192-207.philology.nsc.ru
84.237.118.193	A	philosophy.nsc.ru
84.237.118.194	A	ns.philosophy.nsc.ru
84.237.118.195	A	mail.philosophy.nsc.ru
84.237.118.224	PTR	subnet.224-255.philology.nsc.ru
84.237.118.225	A	mail.philology.nsc.ru
84.237.118.231	A	philology.nsc.ru
84.237.118.233	A	mail.philology.nsc.ru
84.237.119.2	A+PTR	ns.ict.nsc.ru
84.237.119.2	A	mx.ict.nsc.ru
84.237.119.2	A	mailhost.ict.nsc.ru
84.237.119.3	PTR	ns2.ict.nsc.ru
84.237.119.10	A	www.ict.nsc.ru
84.237.119.44	PTR	dir113.ict.nsc.ru
84.237.119.44	A	sibadmin.com
84.237.119.67	A+PTR	zimbra.nsc.ru
84.237.119.67	A	mx.ict.sc
84.237.119.129	A+PTR	ns.igm.nsc.ru
84.237.119.131	PTR	tsx.igm.nsc.ru
84.237.119.131	A	ns.uiggm.nsc.ru
84.237.119.131	A	ns.mail74.igm.nsc.ru
84.237.119.135	A	ifuooask.com
84.237.119.140	A+PTR	mxx.igm.nsc.ru
84.237.119.140	A	igm.nsc.ru
84.237.119.140	A	mail74.igm.nsc.ru
84.237.119.167	PTR	arc.geo.nsc.ru
84.237.119.169	PTR	nrcgit.geo.nsc.ru
84.237.119.169	A	ns1.skyandme.com
84.237.119.169	A	nrcgit.ru
84.237.119.225	A	100frames.ru
84.237.119.225	A	ipgg.sbras.ru
84.237.119.225	A	ipgg.nsc.ru
84.237.119.226	PTR	emf.ipgg.nsc.ru
84.237.119.234	A	webometrix.ru